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Chris (aka- Moose)
Chris (aka- Moose), Technician
Category: Transmissions
Satisfied Customers: 43966
Experience:  16 yrs. experience with auto, manual, & CVT drivelines
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I have an 05 Duramax and i had the range inhibited alarm. I

Customer Question

i have an 05 Duramax and i had the range inhibited alarm. I changed the NSBU and it worked for a day and now it won't go into reverse again and has same alarm. The lights for the gear selector on the dash are very dim and when i put it in reverse it flashes. I can feel something when i shift to neutral.
JA: Have you checked the fuses? The dashboard bulbs?
Customer: No, would that not allow it to go into reverse?
JA: What is the model of your '05 transmissions?
Customer: I'm not sure, i have the LLY engine and I believe it's the 5 speed
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: Yes, i have just replaced the NSBU
JA: Anything else you want the mechanic to know before I connect you?
Customer: i dont think so
Submitted: 1 month ago.
Category: Transmissions
Expert:  Chris (aka- Moose) replied 1 month ago.

Welcome, I'm Chris (aka Moose) I prefer to work when others don't, I am here around lunch and after dinner till after midnight.

  • Sorry no one has helped yet.
  • This is not an answer to your question, just an inquiry if your still needing/wanting help. Because I believe I can help.
  • Do you know the codes which are stored? Did you adjust the shift linkage?
Expert:  Chris (aka- Moose) replied 30 days ago.

Hello again Chris here,

  • I am following up with you to see if you got everything you needed from my answer.
  • I have not heard back from you, so I assume you were not pleased. We're you pleased with my help?
  • If you were not pleased with my help, please let me know by replying so I can help more.
  • This post is coming up on the 7 day mark where it times out. When a post times out, that means it's no longer on my active list (you reply and I may never know it.)

Thanks Chris

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